package com.tanhua.dubbo.api;

import com.tanhua.model.mongo.UserLocation;
import org.apache.dubbo.config.annotation.DubboService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.geo.GeoJsonPoint;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.mongodb.core.query.Update;

@DubboService
public class UserLocationApiImpl implements UserLocationApi {
    @Autowired
    private MongoTemplate mongoTemplate;
    //更新地理位置
    @Override
    public Boolean updateLocation(Long id, Double longitude, Double latitude, String address) {
        try {
            //1、根据用户id查询位置信息
            Query query = Query.query(Criteria.where("userId").is(id));
            UserLocation location = mongoTemplate.findOne(query, UserLocation.class);
            //2、如果不存在用户位置信息，保存
            if (location==null){
                location=new UserLocation();
                location.setUserId(id);
                location.setAddress(address);
                location.setCreated(System.currentTimeMillis());
                location.setUpdated(System.currentTimeMillis());
                location.setLastUpdated(System.currentTimeMillis());
                location.setLocation(new GeoJsonPoint(longitude,latitude));
                mongoTemplate.save(location);
            }else {
                //3、如果存在，更新
                Update update = Update.update("location", new GeoJsonPoint(longitude, latitude))
                        .set("updated", System.currentTimeMillis())
                        .set("lastUpdated", location.getUpdated());
                mongoTemplate.updateFirst(query,update,UserLocation.class);
            }
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }

    }
}
